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2nd semester test
vocab semester test
| Term | Definition |
|---|---|
| Regeneration | the ability of an organism to re-grow lost parts |
| Vertebrate | an animal that has a backbone |
| Invertebrate | an animal that does not have a backbone |
| Exoskeleton | a waxy, waterproof outer shell or outer skeleton that protects the animal and helps prevent the evaporation of water |
| Endoskeleton | an internal skeleton |
| Herbivore | a consumer that eats on plants |
| Carnivore | a consumer that eats only animals |
| Omnivore | a consumer that eats both plants and animals |
| Producer | an organism that can make its own food |
| Consumer | an organism that obtains energy by feeding on other organisms |
| Decomposer | an organism that breaks down chemicals from waste and dead organisms, and returns important materials to the soil and water |
| Classification | the process of grouping things based on their similarities |
| Heredity | the passing of traits from parents to offspring |
| Dominant | an allele whose trait always shows up in the organism (bully) |
| Recessive | an allele that is masked when a dominate allele is present (wimp) |
| Hybrid | an organism that has two different alleles for a trait (a mixture |
| Purebred | the offspring of many generations that have the same traits (BB, bb) |
| Probability | a number that describes how likely it is an event will occur |
| Genotype | an organism’s genetic makeup (Bb |
| Phenotype | an organism’s physical appearance, or visible traits (blond hair) |
| Adaption | a behavior or physical characteristic that allows an organism to survive or reproduce in its environment |
| Evolution | the gradual change in a species over time |
| Extinction | the disappearance of all members of a species from Earth |
| Virus | a tiny, nonliving particle that invades and then reproduces inside a living cell |
| Science | study of the natural world around us |
| Life Science | the study of living things |
| Botany | the study of plants |
| Ecology | the study of how organisms interact with their environment |
| Zoology | the study of animals |
| Photosynthesis | the process in which some organisms use water along with sunlight and carbon dioxide to make their own food |
| Mutation | a change in a gene or chromosomes |
| Cilia | the hairlike projections on the outside of cells that move in a wavelike manner |
| Phloem | the vascular tissue through which food moves in some plants |
| Xylem | the vascular tissue through which water and nutrients move in some plants |
| Transpiration | the process by which water is lost through a plant’s leaves |
Created by:
tclarken
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